As an AI language model, I don’t have real-time data or browsing capabilities. Therefore, I cannot provide a list of the top 10 companies that have been the most successful in reducing their carbon footprint this year without access to the latest information and reports. However, I can provide you with a general idea of some companies that have been recognized for their efforts in sustainability and reducing carbon emissions in recent years. Some notable companies in terms of sustainability practices and carbon reduction include:
1. Apple Inc.
2. Microsoft Corporation
3. Google (Alphabet Inc.)
4. IKEA
5. Unilever
6. Coca-Cola
7. Tesla Inc.
8. Siemens AG
9. Walmart Inc.
10. Dell Technologies
Please note that this is just a general list, and the effectiveness of their carbon reduction efforts can vary over time. It is important to refer to the latest research, reports, or rankings from reputable sources to get the most up-to-date and accurate information on companies making significant progress in reducing their carbon footprint.